Is there anything special to get the rfnoc debug block to work?  I 
copied-and-pasted the section of rfnoc_debug.grc that seems to be relevant into 
my flowgraph.  But when I try to run my flowgraph, I get:
 
Traceback (most recent call last):
 File 
"/opt/gnuradio/v3.7.12.0_rfnoc/src/Channelizer/grc_Archive/TestSigSel.py", line 
419, in <module>
 main()
 File 
"/opt/gnuradio/v3.7.12.0_rfnoc/src/Channelizer/grc_Archive/TestSigSel.py", line 
407, in main
 tb = top_block_cls()
 File 
"/opt/gnuradio/v3.7.12.0_rfnoc/src/Channelizer/grc_Archive/TestSigSel.py", line 
180, in __init__
 "Debug", -1, -1,
 File 
"/opt/gnuradio/v3.7.12.0_rfnoc/lib64/python2.7/site-packages/ettus/ettus_swig.py",
 line 3207, in make
 return _ettus_swig.rfnoc_generic_make(*args, **kwargs)
RuntimeError: Invalid stream args.
 >>> Done
 I am not sure what to make of that.  Assuming the example works, its .py looks 
pretty similar in structure to mine where the debug block is concerned.  I am 
trying to build a new bitfile now to try to run the rfnoc_debug.grc flowgraph, 
but it isn't done yet.  I couldn't seem to find much in the way of 
documentation on it, so I figured I would check here. Thanks.
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